Surachmad, Winarno Metodik mengadjarkan kosep berhitung. - Bandung, Institut Keguruan dan Ilmu Pendidikan [1965?] - 88 p. illus. 33 cm. LCCN: sa 68005388 Subjects--Topical Terms: Arithmetic--Study and teaching (Elementary) LC Class. No.: QA135 / .S96